In this guide, you’ll find five solid 1″ × 1″ square tubing options that cover 20 ft lengths and viable alternatives. This selection is geared toward builders seeking sturdy metal framing for automotive chassis, DIY frames, or structural projects. The top picks are best for builders needing reliable, straight stock with consistent wall thickness. The buyer types most served include hobbyists, small shop fabricators, and prototypers who require clear, consistent stock for cutting, welding, and joining.
Summary table of chosen products:
| Product | Material | Length | Wall Thickness | |
|---|---|---|---|---|
| Allstar Performance Alum Square Tubing 1in x 1in x 20ft | Aluminum | 20 ft | N/A | Lightweight chassis and framing |
| Allstar Performance Square Mild Steel Tubing 1in x .083in x 20ft | Mild Steel | 20 ft | Rigid structural framing | |
| JEGS Mild Steel Tubing Square 1in x 1in x 8 ft | High-Carbon Steel | 8 ft | 0.083 in | Chassis and frame components |
| (4 PACK) 1″ x 1″ Mild Steel Square Tubing – 4 ft | A36 Mild Steel | 4 ft each (16 ft total) | 0.063 in | Construction and repairs |
| Evecad 1″ x 1″ x 48″ Aluminum Tube | 6063-T6 Aluminum | 48 in | 1/8 in | DIY projects and home improvement |
Allstar Performance Alum Square Tubing 1in x 1in x 20ft
- Material: Aluminum square tubing, 1″ x 1″ appx; length 20 ft; lightweight yet strong.
- Best for: Lightweight chassis frames, automotive brackets, and projects where reduced weight is beneficial.
- Why selected: Long 20 ft run in a single piece minimizes joints and welds for clean framing.
- Caution: Aluminum is softer than steel; avoid heavy impact stress or over-torquing joints at corners.
Allstar Performance Square Mild Steel Tubing 1in x .083in x 20ft
- Material: Mild steel, square 1″ × 1″, 0.083″ wall thickness, 20 ft length.
- Best for: Rigid structural framing, supports, and chassis components requiring steel strength.
- Why selected: Combines predictable steel strength with a practical, longer length for fewer joints.
- Caution: Steel may rust if exposed to moisture without proper coating or paint.
JEGS Mild Steel Tubing | Square 1in x 1in x 8ft
- Material: A513 high-carbon steel, hot-rolled electric-welded.
- Best for: Chassis, suspension components, and frame parts where rigidity is essential.
- Why selected: Known for reliable straightness and consistent square geometry in 8 ft lengths.
- Caution: Shorter length than 20 ft may require more seams; plan cuts and joins accordingly.
(4 PACK) 1″ x 1″ Mild Steel Square Tubing – 4 Foot Length
- Material: A36 mild steel, 1″ x 1″, 0.063″ (16 gauge) wall thickness, 4 ft per piece; total 16 ft.
- Best for: Quick repairs, small frames, and DIY builds where shorter stock is acceptable.
- Why selected: Practical kit for projects needing multiple shorter lengths with consistent sizing.
- Caution: Not ideal for longer single-piece structures; joints become necessary to meet larger spans.
Evecad 1″ x 1″ x 48″ Aluminum Tube
- Material: Aluminum 6063-T6; 1″ square, 1/8″ wall, 48″ long.
- Best for: Industrial or home-improvement projects requiring corrosion resistance and light weight.
- Why selected: Offers good corrosion resistance and a longer single piece for certain assemblies.
- Caution: Aluminum can be more expensive than steel and may require different fasteners or techniques for welding.
Rocaris 2pcs Steel Tubes 1″ x 1″ x 12″
- Material: A36 hot-rolled steel, 1″ square, 1/8″ wall, 12″ length per piece.
- Best for: Short structural segments and test rigs where compact length is needed.
- Why selected: Provides steel strength in short spans where longer tubes aren’t necessary.
- Caution: Short length may require more joints for larger projects; plan welds and fasteners accordingly.
Gisafai Aluminum Square Tubing 1″ x 24″ 2 Pcs
- Material: 6061 aluminum; 1″ × 1″ with 0.12″ wall; length 24″ per piece; 2 pieces in pack.
- Best for: Furniture frames, small DIY enclosures, and decorative or functional aluminum framing.
- Why selected: Provides corrosion resistance and a clean silver finish for visible builds.
- Caution: Shorter length than 20 ft; requires more joints for longer spans.
80/20 1″ x 1″ Structural Aluminum Tube
- Material: 6063-T6 aluminum; 1″ x 1″ with 1/8″ wall; 36″ long.
- Best for: Modular framing systems and DIY industrial projects in the 80/20 ecosystem.
- Why selected: Seamless, consistent square profile that suits compatible framing systems.
- Caution: Higher integration with 80/20 hardware means compatibility checks are helpful.
Buying Guide: Key Purchase Considerations
- Material choice: Aluminum is lighter and corrosion-resistant but may be pricier; steel provides higher rigidity and lower cost but can rust without coating.
- Wall thickness: Thicker walls (e.g., 0.083–0.125 in) increase load-bearing capacity but add weight and cost; choose based on intended loads and spans.
- Length options: 20 ft continuous lengths reduce joints and welding; shorter lengths require more connections but may fit budget or fabrication constraints.
- Finish and corrosion resistance: Aluminum naturally resists corrosion; steel may require paint, plating, or other protection in harsh environments.
- Compatibility: If building a modular frame or chassis, confirm compatible connectors, fasteners, and compatibility with existing profiles (like 80/20 systems).
- Ease of fabrication: Aluminum can be easier to machine and cut for precise tolerances; steel may require stronger tools and safety measures during welding.
Frequently Asked Questions
- What is the advantage of 20 ft tubing over shorter lengths?
– It reduces the number of joints in a project, creating cleaner frames and potentially stronger continuous runs. - Is aluminum square tubing suitable for automotive chassis?
– It can be used for non-structural or light-duty components where weight savings are beneficial; structural chassis typically relies on steel for maximum rigidity. - How do I choose wall thickness?
– Higher strength and rigidity require thicker walls (0.083″–0.125″), but consider weight, cost, and welding capability in your design. - Can I weld aluminum tubing with standard steel welding techniques?
– No. Aluminum requires aluminum-compatible welding processes and filler metals; mixing materials can lead to poor joints. - Are there size alternatives to 1″ x 1″ square tubing?
– Yes; options include rectangular profiles and other sizes in both aluminum and steel, depending on the load and application. - What should I consider for outdoor projects?
– Aluminum offers better corrosion resistance for outdoor use; consider protective coatings for steel in exposed environments.